• AT89C51ED2-RLTUM VQFP-44
AT89C51ED2-RLTUM VQFP-44

AT89C51ED2-RLTUM

AT89C51ED2-RLTUM, 8 bit 8051 Microcontroller 40MHz 64kb Flash, 256, 1792B RAM, SPI 44-Pin VQFP

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Overview of AT89C51ED2-RLTUM

The AT89C51ED2-RLTUM is a high-performance, low-power 8-bit microcontroller from the AT89C51 family. It is based on the 8051 architecture and is suitable for a wide range of applications, including industrial control, consumer electronics, and automotive systems.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Power Supply
  • GND: Ground
  • Port 0, Port 1, Port 2, Port 3: I/O Ports
  • RXD, TXD: UART Pins
  • INT0, INT1: External Interrupt Pins
  • T0, T1: Timer/Counter Pins
  • PSEN: Program Store Enable
  • ALE/PROG: Address Latch Enable/Program Pulse
  • EA/VPP: External Access Enable/Programming Voltage
  • XTAL1, XTAL2: Crystal Oscillator Pins

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the AT89C51ED2-RLTUM microcontroller for a more visual representation.

Key Features

  • High-Performance CPU: The AT89C51ED2-RLTUM features a high-performance 8051 CPU with a clock frequency of up to 33 MHz, providing fast and efficient processing.
  • Flash Memory: It includes 64 KB of Flash memory for program storage, allowing for easy and flexible program updates.
  • RAM: The microcontroller features 2048 bytes of RAM for data storage and processing.
  • I/O Ports: It includes four 8-bit I/O ports for interfacing with external devices and peripherals.
  • Timers/Counters: The AT89C51ED2-RLTUM features two 16-bit timers/counters for timing and control applications.
  • Serial Communication: It supports serial communication through a UART (Universal Asynchronous Receiver/Transmitter).
  • Power Management: The microcontroller features power-saving modes to minimize power consumption in battery-powered applications.

Note: For detailed technical specifications, refer to the AT89C51ED2-RLTUM datasheet.

Application

  • Industrial Control: The AT89C51ED2-RLTUM is suitable for industrial control applications, such as automation and process control.
  • Consumer Electronics: It can be used in various consumer electronics devices, including home appliances and entertainment systems.
  • Automotive Systems: The microcontroller is suitable for automotive applications, such as engine control and dashboard systems.
  • Embedded Systems: It can be used in a wide range of embedded systems that require a high-performance 8-bit microcontroller.

Functionality

The AT89C51ED2-RLTUM microcontroller provides a powerful and flexible solution for a wide range of embedded control applications, offering reliability and performance in a compact package.

Usage Guide

  • Power Supply: Connect VCC (Power Supply Pin) to the appropriate power supply voltage and GND (Ground Pin) to ground.
  • I/O Interface: Connect the I/O ports to external devices and peripherals for data exchange and control.
  • Programming: Program the AT89C51ED2-RLTUM using an external programmer or in-system programmer (ISP) to load firmware and applications.
  • Clock Configuration: Connect a crystal oscillator or external clock source to XTAL1 and XTAL2 pins for clock input.

Frequently Asked Questions

Q: Can the AT89C51ED2-RLTUM be used in battery-powered applications?
A: Yes, the AT89C51ED2-RLTUM features power-saving modes that make it suitable for battery-powered applications, providing efficient power management.

Q: What programming languages can be used to program the AT89C51ED2-RLTUM?
A: The AT89C51ED2-RLTUM can be programmed using assembly language or high-level languages such as C or C++, providing flexibility in software development.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category 8-bit Microcontrollers - MCU RoHS Details
Core 8051 Program Memory Size 64 kB
Data RAM Size 2 kB Package / Case VQFP-44
Maximum Clock Frequency 60 MHz ADC Resolution No ADC
Number of I/Os 34 I/O Supply Voltage - Min 2.7 V
Supply Voltage - Max 5.5 V Mounting Style SMD/SMT
Data Bus Width 8 bit Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C Series 89C
Brand Microchip Technology Height 1.45 mm
Interface Type SPI, UART Length 10.1 mm
Moisture Sensitive Yes Number of Timers/Counters 3 Timer
Processor Series AT89x Product MCUs
Product Type 8-bit Microcontrollers - MCU Program Memory Type Flash
Factory Pack Quantity 160 Subcategory Microcontrollers - MCU
Width 10.1 mm Unit Weight 0.068149 oz

Equivalent Parts

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

AT89C51ED2-RLTUM Equivalent Parts

For the AT89C51ED2-RLTUM component, you may consider these replacement and alterative parts.

Models Manufacturer Package/Case Description
AT89C51ED2-RLTUM Microchip Technology 44-pin PLCC The original Atmel 8051 microcontroller in a 44-pin PLCC package, offering 64KB of Flash memory, 2KB of RAM, and various peripherals.
AT89C51RD2 Microchip 44-pin PLCC A compatible 8051 microcontroller from Microchip with similar features and functionality to the AT89C51ED2-RLTUM.
P89C51RD2 NXP 44-pin PLCC An alternative 8051 microcontroller from NXP (formerly Philips) that can be used as a substitute for the AT89C51ED2-RLTUM in some applications.

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